Acrobot/ChestShop-3 — pull request #24 by ShadowDog007 (2013-02-11 00:12:24+00:00)
Title: (Should have) Improved performance when fetching itemstacks using the items 'SignName'

When an item is fetched from a string it caches the material in a
hashmap using the items sign name as the key.
This should massively improve performance when fetching itemstacks using
the string from signs. (Which should be mostly when it is needed)